Postorbital neck long, its lateral margin with one to five spinules, carapace constricted behind supraorbital eave, this last one with one large spine, hepatic region weakly produced, its margin without anterior spine, apex with one spine, sometimes two additional smaller ones. Eyestalk moderately long with only a weak constriction and a well developed, narrow anterior tubercle. Basal antennal article only reaching three quarters of antennular fossa, one long spine at distal two thirds. Cheliped of adult male with merus trigonal, stoutness uniformly increasing distally; fixed finger of chela with moderately large proximal teeth close together. Third segment of male abdomen laterally spinulous. (Türkay 1995)

Griffin, D.J.G. & J.C. Yaldwyn, 1965. A Record of the Majid Brachyuran genus Achaeus from New Zealand with notes on the Australian species. Transactions of the Royal Society of New Zealand, Zoology, 6(4): 33-51, figs 1-8.

Miers, E.J., 1886. Report on the Brachyura collected by H.M.S. Challenger during the years 1873-1876. In: C.W. Thompson & J. Murray, Report on the Scientific Results of the exploring Voyage of H.M.S. Challenger during the years 1873-1876, under the command of Captain George S. Nares, R.N., F.R.S. and the Late Captain Frank Tourle Thomson, R.N., Zoology, 17(2): i-xli, 1-362, pls 1-29.

Takeda, M., 1979a. Systematic and biogeographic notes on the crabs obtained by dredging at the sea around Cape Shiono-misaki, Kii Peninsula. Memoirs of the National Science Museum, Tokyo, 12: 151-157, figs 1-3. (In Japanese with English summary.)

Whitelegge, T., 1889. List of the Marine and Fresh-water Invertebrate Fauna of Port Jackson and the Neighbourhood. Journal and Proceedings of the royal Society of New South Wales, 23(2): 163-323.

Whitelegge, T., 1900. Crustacea. Part 1. Decapoda and Stomatopoda. In: Scientific Results of the Trawling Expedition of H.M.C.S. Thetis, off the coast of New South Wales in February and March 1898. Australian Museum Memoirs, 4(2): 135-199, figs 11-14, pls 32-35. [1900/V]